load tooltip info on background thread

Core/src/org/sleuthkit/autopsy/timeline/ui/detailview/EventStripeNode.java

@@ -19,13 +19,17 @@
 package org.sleuthkit.autopsy.timeline.ui.detailview;
 
 import com.google.common.collect.Range;
+import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import static java.util.Objects.nonNull;
 import java.util.Set;
 import java.util.concurrent.ExecutionException;
 import java.util.logging.Level;
 import java.util.stream.Collectors;
+import javafx.beans.Observable;
 import javafx.beans.property.SimpleObjectProperty;
 import javafx.concurrent.Task;
 import javafx.event.ActionEvent;
@@ -59,18 +63,28 @@ import static javafx.scene.layout.Region.USE_PREF_SIZE;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
 import javafx.scene.paint.Color;
+import org.apache.commons.lang3.StringUtils;
 import org.controlsfx.control.action.Action;
 import org.controlsfx.control.action.ActionUtils;
 import org.joda.time.DateTime;
+import org.joda.time.Interval;
 import org.openide.util.NbBundle;
 import org.sleuthkit.autopsy.coreutils.ColorUtilities;
+import org.sleuthkit.autopsy.coreutils.LoggedTask;
 import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.autopsy.timeline.TimeLineController;
+import org.sleuthkit.autopsy.timeline.datamodel.EventCluster;
 import org.sleuthkit.autopsy.timeline.datamodel.EventStripe;
 import org.sleuthkit.autopsy.timeline.datamodel.FilteredEventsModel;
 import org.sleuthkit.autopsy.timeline.datamodel.TimeLineEvent;
 import org.sleuthkit.autopsy.timeline.datamodel.eventtype.EventType;
+import org.sleuthkit.autopsy.timeline.filters.DescriptionFilter;
+import org.sleuthkit.autopsy.timeline.filters.RootFilter;
+import org.sleuthkit.autopsy.timeline.filters.TypeFilter;
+import static org.sleuthkit.autopsy.timeline.ui.detailview.Bundle.EventStripeNode_loggedTask_name;
 import org.sleuthkit.autopsy.timeline.zooming.DescriptionLOD;
+import org.sleuthkit.autopsy.timeline.zooming.EventTypeZoomLevel;
+import org.sleuthkit.autopsy.timeline.zooming.ZoomParams;
 import org.sleuthkit.datamodel.SleuthkitCase;
 import org.sleuthkit.datamodel.TskCoreException;
 
@@ -270,7 +284,8 @@ final public class EventStripeNode extends StackPane {
         "EventStripeNode.tooltip.text={0} {1} events\n{2}\nbetween\t{3}\nand   \t{4}"})
     synchronized void installTooltip() {
         if (tooltip == null) {
-            Task<String> tooltTipTask = new Task<String>() {
+            setCursor(Cursor.WAIT);
+            final Task<String> tooltTipTask = new Task<String>() {
 
                 @Override
                 protected String call() throws Exception {
@@ -312,20 +327,27 @@ final public class EventStripeNode extends StackPane {
                     super.succeeded();
                     try {
                         tooltip = new Tooltip(get());
-                        Tooltip.install(this, tooltip);
+                        Tooltip.install(EventStripeNode.this, tooltip);
                     } catch (InterruptedException | ExecutionException ex) {
                         LOGGER.log(Level.SEVERE, "Tooltip generation failed.", ex);
-                        Tooltip.uninstall(this, tooltip);
+                        Tooltip.uninstall(EventStripeNode.this, tooltip);
                         tooltip = null;
                     }
                 }
             };
+
+            tooltTipTask.stateProperty().addListener((Observable observable) -> {
+                if (tooltTipTask.isDone()) {
+                    setCursor(null);
+                }
+            });
+
             chart.getController().monitorTask(tooltTipTask);
         }
     }
-}
 
-EventStripeNode getNodeForBundle(EventStripe cluster) {
+    EventStripeNode getNodeForBundle(EventStripe cluster
+    ) {
         return new EventStripeNode(chart, cluster, this);
     }
 
@@ -518,36 +540,7 @@ EventStripeNode getNodeForBundle(EventStripe cluster) {
     Set<Long> getEventsIDs() {
         return eventStripe.getEventIDs();
 
-
+    }
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     /**
      * event handler used for mouse events on {@link EventStripeNode}s
@@ -593,9 +586,9 @@ EventStripeNode getNodeForBundle(EventStripe cluster) {
                 t.consume();
             }
         }
-}
+    }
 
-private class ExpandClusterAction extends Action {
+    private class ExpandClusterAction extends Action {
 
         @NbBundle.Messages("ExpandClusterAction.text=Expand")
         ExpandClusterAction() {
@@ -611,9 +604,9 @@ private class ExpandClusterAction extends Action {
             });
             disabledProperty().bind(descLOD.isEqualTo(DescriptionLOD.FULL));
         }
-}
+    }
 
-private class CollapseClusterAction extends Action {
+    private class CollapseClusterAction extends Action {
 
         @NbBundle.Messages("CollapseClusterAction.text=Collapse")
         CollapseClusterAction() {
@@ -628,5 +621,5 @@ private class CollapseClusterAction extends Action {
             });
             disabledProperty().bind(descLOD.isEqualTo(eventStripe.getDescriptionLOD()));
         }
-}
+    }
 }